So, I'm googling the Supernatural RPG because I really dig the show and I am a gamer. I stumble upon the blog by Tim Brannan. I'm reading down through the blog and I see Moonstone linked off to the right.
Ghosts of Albion? Seriously? That's is cool!

http://www.moonstonebooks.com/albion.asp

(if this is a secret still, I am SOOOO sorry)

MikeM